M4.1 earthquake 64 km NNE of Calama, Chile
A magnitude 4.1 earthquake struck 64 km NNE of Calama, Chile on Mon, Sep 8, 1986, 5:23 PM GMT-4 (21:23 UTC), 145 km (90 mi) below the surface.
A larger quake followed: M4.9 136 km NNE of Calama, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1986-09-08 21:23:27 UTC
- Depth
- 145.2 km (90.2 mi), intermediate-depth
- Epicenter
- 21.905° S, 68.712° W
- Region
- Chile
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Depth from
- FROM_LOCATION
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.770 km NNE of Calama, Chile · 14633 days ago · 106 km deep · 5 km away
- 4.6127 km N of Calama, Chile · 14619 days ago · 187 km deep · 71 km away
- 4.794 km NE of Calama, Chile · 14612 days ago · 127 km deep · 41 km away
- 4.2135 km NNE of Calama, Chile · 14600 days ago · 127 km deep · 71 km away
- 4.0118 km NNE of Calama, Chile · 14586 days ago · 129 km deep · 54 km away
- 4.9136 km NNE of Calama, Chile · 14579 days ago · 134 km deep · 74 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002xxj. Read Fri, Oct 2, 2026, 7:47 PM UTC.